Dorman 984-587 HVAC Blower Motor Resistor

Reliable HVAC Blower Motor Resistor for Mazda 3 and 3 Sport

The Dorman 984-587 HVAC blower motor resistor is designed to restore proper blower motor function in Mazda 3 and 3 Sport models. Engineered to meet OEM specifications, this resistor ensures consistent airflow control for your vehicle's heating and cooling system.

• Compatible with Mazda 3 and Mazda 3 Sport models
• Part number 984-587 for precise identification
• Features 2 bolt holes for secure mounting
• Equipped with a single rectangular male connector
• Includes 4 female blade terminals for reliable electrical connection
• Does not include wiring harness or mounting hardware
• Package contains the blower motor resistor and installation instructions

Product Details and Specifications

The Dorman 984-587 blower motor resistor is designed with two bolt holes to ensure a stable and secure fit within the HVAC system of Mazda 3 and 3 Sport vehicles. It features a single rectangular male connector housing four female blade terminals, providing a reliable electrical interface for the blower motor control. This resistor does not come with a wiring harness or mounting hardware, so existing components should be reused during installation. The package includes the resistor itself along with detailed instructions to assist with proper installation.

Common Applications and Problem Resolution

• Restores blower motor speed control in Mazda 3 and 3 Sport HVAC systems
• Addresses issues with blower motor only operating on high speed
• Resolves intermittent or no airflow from the HVAC vents
• Fixes blower motor resistor failures causing inconsistent fan speeds
• Improves overall climate control performance in affected vehicles

Installation Notes and Tips

When installing the Dorman 984-587 blower motor resistor, ensure the vehicle is powered off and the HVAC system is disconnected to avoid electrical hazards. Use the existing mounting hardware to secure the resistor via its two bolt holes. Confirm the rectangular male connector aligns properly with the vehicle’s wiring harness, which should have four female blade terminals. Follow the included instructions carefully to ensure correct installation and optimal performance.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, providing dependable performance for your Mazda 3 and 3 Sport. The 984-587 blower motor resistor undergoes rigorous quality control to ensure durability and functionality. Please refer to Dorman’s warranty policy for specific coverage details.